Dictionary » P » Pigmentation

Pigmentation

pigmentation

1. The deposition of colouring matter, the colouration or discolouration of a part by pigment.

2. Colouration, especially abnormally increased colouration, by melanin.


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Examples of Mutations ?

Hello, I would like to see examples of mutations that affect and change the facial features. Until now I only see examples of changes in pigmentation or aberrations. So if anyone has photos of mutations in the face of an animal (but which are not aberrations) I like to see them. Thank you.

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by Goldentiger
Fri Jun 27, 2014 2:43 pm
 
Forum: Zoology Discussion
Topic: Examples of Mutations ?
Replies: 4
Views: 907

DNA changes?

Hey, sorry for late reply but no, not really. I have always been like this, since early age... However can blood sugar be associated with skin pigmentation ? Thank you for the reply though, I will make an appointment at doctors to try to figure this out. :)

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by alilina
Mon Feb 17, 2014 2:59 am
 
Forum: Genetics
Topic: DNA changes?
Replies: 3
Views: 1736

Re: UV Effect on cell pigmentation (melanocytes)

it is based on the intensity of vu rays as the pigment melanin is purely designed for protection from uv rays is is deffinetey effected by the intensity of the light

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by rat554
Sat Mar 02, 2013 6:52 pm
 
Forum: Cell Biology
Topic: UV Effect on cell pigmentation (melanocytes)
Replies: 1
Views: 1894

UV Effect on cell pigmentation (melanocytes)

Does UV level increase the rate of pigmentation in skin? ( Stimulation of melanocytes...) Or if the UV level is high enough, ie 4 and above, is pigmentation purely based on time exposure to sunlight if the UV level is 10+. And would this be ...

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by John3373
Wed Feb 20, 2013 1:41 pm
 
Forum: Cell Biology
Topic: UV Effect on cell pigmentation (melanocytes)
Replies: 1
Views: 1894

Re: Green mammals

However both hypotesis presented here are not mutually exclusive: mammals may have lost their ability to create green pigmentations as a result of it not being an advantegeous trait for them. Reptiles and amphibians don't have green pigmentation either. All mammals, birds, reptiles, ...

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by biotag
Sat Sep 15, 2012 6:45 pm
 
Forum: Zoology Discussion
Topic: Green mammals
Replies: 11
Views: 15111
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